======================== unified (from filesystem) ========================
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                                        'duration'  '95'
                                          'artist'  'The Doors'
                                     'text_people'  ''
                                         'release'  'Strange Days'
                                           'title'  'Horse Latitudes'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']"
                                     'discogstags'  "['rock', 'blues rock', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '130.314'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

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'COMM:iTunNORM:eng'                                 (' 000002B1 00000345 00000C92 00001130 000129B6 000129B6 000032FD 00003248 '
 '000129B6 000129CD')
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'TBPM' (BPM (beats per minute))                     '130.314'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1967'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Horse Latitudes'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Doors'
'TRCK' (Track number/Position in set)               '5'
'TXXX:MusicBrainz Album Id'                         'c8a31b83-ce83-4b58-9df7-416a8645946f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9efff43b-3b29-4082-824e-bc82f646f93d'
'TXXX:MusicBrainz TRM Id'                           'eacea5d6-d852-46e6-82ca-2ec5e4ece5dd'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'blues rock', 'psychedelic rock']
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.90 dB'
'TXXX:replaygain_track_peak'                        '0.502013'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a62f6682-068f-4ffe-9ad8-17e77f35eca1')

========================== row from database ==========================
                                              'id'  1412030
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Doors/Strange Days/05 Horse Latitudes.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  95
                                           'genre'  rock-cppex-classic
                                        'filesize'  3049465
                                           'mtime'  1636038919
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 05 rock cppex classic
                                      'tag_artist'  The Doors
                                     'tag_release'  Strange Days
                                       'tag_title'  Horse Latitudes
                                             'bpm'  130.314
                                    'search_title'  'horse':1 'latitudes':2
                                   'search_artist'  'doors':2 'the':1
                                  'search_release'  'days':2 'strange':1
                                     'search_rest'  'classic':4 'classicprogpsy':1 'cppex':3 'rock':2
                                    'search_combo'  'classic':10 'classicprogpsy':7 'cppex':9 'days':6C 'doors':4B 'horse':1A 'latitudes':2A 'rock':8 'strange':5C 'the':3B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
                                        'tag_date'  1967
                                     'discogstags'  ['rock', 'blues rock', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1636038919.0434818  (2021-11-04 16:15:19)
                             'size'  3049465